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1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 02-02-2005, 04:22 AM   #71
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We replaced plug wires on mkaake'* lesabre this past weekend, and had smoke from the front bank as well. In our case, it was some crud that fell on the front exhaust manifold and smoked for a while on startup. In your case, it could just be the fresh rubber boots.

Congrats on a job well done! Glad to see that those newer plug wires fit well.
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Old 02-02-2005, 10:54 AM   #72
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Just a note on that third nut. I never pull the big bolt with the grounds. Instead I remove the other two nuts and then lift on the module while removing the nut. It can be removed this way though is a bit tedious if the threads are dirty. Once everything is clean you can spin on with fingers and just tighten a half turn or so with an open end wrench.
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Old 02-02-2005, 02:56 PM   #73
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That sounds like another decent way to get the 3rd bolt out.

Today it was -10C this morning and I didn't plug it in. Fired right up, no hesitation. I'm not use to this strange car actually starts when I turn the key sensation.

I've noticed it now idles less then 1000 RPM'* steady, but occaisionally it gets a little jumpy. Is this something I should expect? Also, I was wondering if my speed to RPM ratio is a little high. It'* at 1500RPM holding 50km/h (31mph) steady, and 2000RPM holding 70km/h (44mph) steady. These numbers havn't changed alot since the mod, I'm just curious.

And for the smoke...I just figured it was some crud on the manifold or perhaps a little bit of snow or something.

Next on the list for repairs is the O2 sensor...and getting one of them fancy STB.
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Old 02-02-2005, 03:36 PM   #74
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RPM "Hunting" (idle swings of 400-800 rpm) as opposed to a rough (occasional missing) is generally caused by a dirty Idle Air Control (IAC). Should be several posts on how to clean.
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